Year	current US$
1960	-411824000
1961	-311912000
1962	-234023999.99999985
1963	-277032000
1964	-445848000
1965	-412432000
1966	-375216000
1967	-568840000
1968	-679896000
1969	-560120000
1970	-675968000
1971	-422920000
1972	-347920000
1973	-581983999.9999994
1974	-1557920000
1975	-2398560000
1976	-1224186438.4804873
1977	79369157.84344128
1978	-583862608.1609334
1979	-1697513703.1352775
1980	-4418630996.470742
1981	-6315684274.933715
1982	8712722953.08677
1983	14264243009.642447
1984	13747056510.23667
1985	9374182472.204056
1986	5056800479.916571
1987	8573422397.461005
1988	2545780331.308936
1989	-144468779.46660396
1990	-2901886475.8182735
1991	-9142911049.784159
1992	-18303180266.36096
1993	-15751893766.14648
1994	-20203083922.72031
1995	7854137403.2720995
1996	7253513413.079476
1997	100862036.30503912
1998	-8854630484.404516
1999	-7439469883.9943695
2000	-10745509995.285313
2001	-13196271984.048538
2002	-12211107587.667635
2003	-10635248765.434559
2004	-15028128471.4017
2005	-14575601318.126478
2006	-14004359660.97459
2007	-18700378800.079647
2008	-27007969654.574326
2009	-14766707749.117085
2010	-13690284542.396618
2011	-15687804673.869514
2012	-14798142338.128113
2013	-15664725283.260435
2014	-15997824629.771034
2015	-25326664234.013725
2016	-22900319426.78275
2017	-22908871558.353817
2018	-26693875997.423035
2019	-5251264857.464841
2020	18119405417.8034
2021	-25421844311.736427
2022	-42822923832.49658
2023	-30692391404.176327